Service difficulty report · Pump · Boeing 7673CB

Difficulty date
February 10, 2014
Submitted
February 11, 2014
Operation
General aviation
Filed by
ANZY188C
Air New Zealand Limited
Aircraft
N592HA
Make and model
Boeing 7673CB
Aircraft serial
33468
Part
Pump
Part number
5006003D
Part serial
1962
Condition
Eroded
Location
Fuel Boost
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING RECTIFICATION WORK TO IMPROVE BONDING RESISTANCE, FUEL BOOST PUMPS ON LT WING REMOVED. FOUND INBD PUMP HAD SIGNIFICANT EROSION ON THE IMPELLER HOUSING SUPPORT LEG, UP TO APPROX 50 PERCENT. THE OUTBD PUMP EROSION ON IMPELLOR HOUSING LEG APPROX 10 PERCENT .

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